Adelard of Bath

Born: 1075
in Bath, England
Died: 1160

Adelard studied and taught in France and travelled in Italy, Syria and Palestine before returning to Bath. He became a teacher of the future King Henry II.

Adelard made a Latin translation of Euclid's Elements from Arabic sources which was for centuries the chief geometry textbook in the West. He also translated al'Khwarizmi's tables, wrote on the abacus and on the astrolabe. His Quaestiones naturales consists of 76 scientific discussions based on Arabic science.